IBM 6400 Maintenance Information Manual

348
Appendix F
BUD Buffered Upper Driver
CA Cathode
CC Card Cage
CCF Card Cage Fan
CE Customer Engineer
CHNG Change
CIR Circuit
CLK Clock
CO Cover Open
COLL Collector
COMM Communication
CONTLR Controller
CMD Command
CMX Manufacturer’s designation of the controller board
CNC Connector, Connection
CPI Characters Per Inch
CR Carriage Return
CT Coaxial/Twinaxial
CTL Control
CTS Clear to Send
CUR Current
CVO Cover Open (Switch)
D0, D1, etc.Data Bit 0, Data Bit 1, etc.
DAT Data
DC Direct Current, Data Controller (a functional unit of
the CMX controller board)
DCD Data Carrier Detect
DIAG Diagnostic
DIFF Differential
DMA Direct Memory Access
DP Data Processing, DataProducts
DPMC Dot Plucker Memory Controller
DPU Data Processing Unit
DRAM Dynamic Random-Access Memory
DRV Drive or Driver
DRVR Driver

IBM 6400 Specifications

General

Brand	IBM
Model	6400
Category	Printer
Language	English